BUCALO, A.; ROSOLINI, G. Topologies and free constructions. Logic and Logical Philosophy, [S. l.], v. 22, n. 3, p. 327–346, 2013. DOI: 10.12775/LLP.2013.015. Disponível em: https://apcz.umk.pl/LLP/article/view/LLP.2013.015. Acesso em: 18 aug. 2024.